GLP1R and Parkinson disease: Between baseline and end-of-treatment, no differences were observed in the Movement Disorder Society-Unified Parkinson's Disease Rating Scale (MDS-UPDRS) Part III score change between GLP-1 RA- and placebo-treated patients in either off-medication (standardized mean difference (SMD): -0.16; 95% CI: -0.64 to 0.32; <i>p</i> = 0.52) or on-medication states (SMD: -0.13; 95% confidence interval (CI): -0.51 to 0.25; <i>p</i> = 0.49).